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package Koha::Autoincrement; |
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# This file is part of Koha. |
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# |
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# Koha is free software; you can redistribute it and/or modify it under the |
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# terms of the GNU General Public License as published by the Free Software |
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# Foundation; either version 3 of the License, or (at your option) any later |
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# version. |
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# |
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY |
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License along |
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# with Koha; if not, write to the Free Software Foundation, Inc., |
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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use Modern::Perl; |
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use Koha::Database; |
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use base qw(Koha::Object); |
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=head1 NAME |
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Koha::Autoincrement |
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=head1 API |
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=head2 Class Methods |
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=cut |
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sub increment { |
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my ( $self ) = @_; |
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return if !$self || !$self->tablename; |
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my $schema = Koha::Database->new->schema; |
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$schema->txn_begin; |
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$self->_result->update({ counter => \'counter + 1' }); |
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$self->_result->discard_changes; # force read from db |
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my $retval = $self->_result->get_column('counter'); |
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$schema->txn_commit; |
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return $retval; |
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} |
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=head3 type |
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=cut |
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sub _type { |
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return 'Autoincrement'; |
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} |
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1; |